Simplify the expression to a polynomial in standard form:

(3x+5)(2x^2+x+5)

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16